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oee [108]
3 years ago
11

F(x)=1/3(4-x)^2 what is the value of f(16)

Mathematics
2 answers:
melisa1 [442]3 years ago
7 0
Answer:
48
Step-by-step explanation:
Wherever you see an x on the right, you put a 16. That's what f(16) means.
f(16) = 1/3 (4 - 16)^2
f(16) = 1/3 (- 12)^2
f(16) = 1/3 (144)
f(16) = 48
lbvjy [14]3 years ago
5 0
I got 48 as my answer
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12 kg of potatoes cost $60. How much 46 kg cost
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$230

Step-by-step explanation:

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monitta

9 minus 2 divided by z

9-2/z

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Find the average rate if change in the function f(x) = x^2 +2 over the interval x= -5 to x= -2
jeka94

Average rate of change of function f(x) = x^2 +2 over the interval x= -5 to x= -2 is -7

Step-by-step explanation:

We need to find the average rate if change in the function f(x) = x^2 +2 over the interval x= -5 to x= -2

The formula used to find the change of average rate is:

Rate\,\,of\,\,change=\frac{f(b)-f(a)}{b-a}

Where b= -2 and a= -5

Finding f(b) and f(a)

f(b)=f(-2)=(-2)^2+2=4+2=6

f(a)=f(-5)=(-5)^2+2=25+2=27

Putting values in the formula:

Rate\,\,of\,\,change=\frac{f(b)-f(a)}{b-a}\\Rate\,\,of\,\,change=\frac{6-27}{(-2)-(-5)}\\Rate\,\,of\,\,change=\frac{-21}{-2+5}\\Rate\,\,of\,\,change=\frac{-21}{3}\\Rate\,\,of\,\,change=-7

Average rate of change of function f(x) = x^2 +2 over the interval x= -5 to x= -2 is -7

Keywords: Average Rate of change

Learn more about Average Rate of change at:

  • brainly.com/question/10699220
  • brainly.com/question/3071107
  • brainly.com/question/13053630

#learnwithBrainly

4 0
3 years ago
A spring stretches to 22 cm with a 70 g weight attached to the end. With a 105 g weight attached, it stretches to 27 cm. Which e
rosijanka [135]
Assume that the spring behaves linearly so that
y = a + bx
where 
x = weight of the mass
y =  stretch of the spring
a,b are constants

When x = 70 g, y = 22 cm, therefore
a + 70b = 22             (1)

When x = 105g,  y = 27 cm, therefore
a + 105b = 27           (2)

Subtract (1) from (2).
a + 105b - (a + 70b) = 27 - 22
35b = 5
b = 0.1429

From (1), obtain
a = 22 - 70*0.1429 = 12

Answer:
The required equation is
y = 12 + 0.1429x

7 0
3 years ago
I just need some help it’s kinda hard to me!
uranmaximum [27]

Answer:

The answer is 25 feet. Just multiply 10 by 2.5

7 0
3 years ago
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